impeller::FenceWaiterVK Class Reference

#include <fence_waiter_vk.h>

Public Member Functions
	~FenceWaiterVK ()
bool	IsValid () const
void	Terminate ()
fml::Status	AddFence (vk::UniqueFence fence, const std::function< fml::Status(vk::Fence)> &submit_callback, fml::closure completion_callback)
	Invokes the [submit_callback] synchronously and adds the fence to the wait set if it succeeds. The [completion_callback] will be called when the submitted command completes and the fence is signaled.

Friends
class	ContextVK

Detailed Description

Definition at line 25 of file fence_waiter_vk.h.

Constructor & Destructor Documentation

~FenceWaiterVK()

impeller::FenceWaiterVK::~FenceWaiterVK

(

)

Definition at line 59 of file fence_waiter_vk.cc.

                              {
  Terminate();
}

References Terminate().

Member Function Documentation

AddFence()

fml::Status impeller::FenceWaiterVK::AddFence	(	vk::UniqueFence	fence,
		const std::function< fml::Status(vk::Fence)> &	submit_callback,
		fml::closure	completion_callback
	)

Invokes the [submit_callback] synchronously and adds the fence to the wait set if it succeeds. The [completion_callback] will be called when the submitted command completes and the fence is signaled.

Definition at line 63 of file fence_waiter_vk.cc.

                                    {
  if (!fence || !submit_callback || !completion_callback) {
    return fml::Status(fml::StatusCode::kInvalidArgument, "Invalid arguments");
  }
  {
    // Maintain the invariant that terminate_ is accessed only under the lock.
    std::scoped_lock lock(wait_set_mutex_);
    if (terminate_) {
      return fml::Status(fml::StatusCode::kCancelled,
                         "Fence waiter is terminated");
    }
    auto submit_status = submit_callback(fence.get());
    if (!submit_status.ok()) {
      return submit_status;
    }
    wait_set_.emplace_back(
        WaitSetEntry::Create(std::move(fence), std::move(completion_callback)));
  }
  wait_set_cv_.notify_one();
  return fml::Status();
}

References impeller::WaitSetEntry::Create(), fml::kCancelled, and fml::kInvalidArgument.

IsValid()

bool impeller::FenceWaiterVK::IsValid

(

)

const

Terminate()

void impeller::FenceWaiterVK::Terminate

(

)

Definition at line 213 of file fence_waiter_vk.cc.

                              {
  {
    std::scoped_lock lock(wait_set_mutex_);
    if (terminate_) {
      return;
    }
    terminate_ = true;
  }
  wait_set_cv_.notify_one();
  waiter_thread_->join();
}

Referenced by ~FenceWaiterVK().

Friends And Related Symbol Documentation

ContextVK

friend class ContextVK

friend

Definition at line 43 of file fence_waiter_vk.h.

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The documentation for this class was generated from the following files:

• impeller/renderer/backend/vulkan/fence_waiter_vk.h
• impeller/renderer/backend/vulkan/fence_waiter_vk.cc